Kourou, Guyane, French Guiana Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Kourou, Guyane, French Guiana
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Kourou, Guyane, French Guiana
6 AM19th Oct 2025
6 PM
5 AM20th Oct 2025
58AQI
54AQI
69AQI
57AQI
In the last 24 hours,
Kourou's AQI reached its highest point of 69 at 11 PM during the Night, while the lowest point, 54, was recorded at 12 PM during the Day between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kourou, Guyane, French Guiana
28°C25/32°C
26°C23/31°C
27°C23/32°C
28°C24/32°C
27°C22/32°C
26°C24/31°C
27°C24/32°C
27°C24/32°C
27°C24/32°C
28°C25/32°C
27°C23/32°C
27°C24/32°C
28°C23/33°C
28°C23/33°C
28°C24/33°C
28°C25/31°C
28°C24/32°C
28°C25/33°C
28°C24/33°C
27°C24/31°C
27°C24/31°C
27°C24/32°C
27°C24/32°C
27°C23/32°C
28°C24/32°C
28°C24/32°C
27°C24/32°C
28°C24/32°C
28°C24/32°C
27°C24/31°C
--°C/°C
37AQI
35AQI
36AQI
36AQI
2025 Days Vs Air Quality
Kourou, Guyane, French Guiana
80%
235
20%
57
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 293 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Kourou, Guyane, French Guiana
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
36AQI
40AQI
52AQI
52AQI
51AQI
57AQI
59AQI
56AQI
43AQI
61AQI
66AQI
73AQI
58AQI
42AQI
53AQI
56AQI
80AQI
60AQI
58AQI
48AQI
35AQI
28AQI
36AQI
35AQI
33AQI
33AQI
29AQI
40AQI
61AQI
72AQI
78AQI
58AQI
61AQI
52AQI
46AQI
49AQI
57AQI
47AQI
45AQI
41AQI
44AQI
43AQI
49AQI
52AQI
49AQI
38AQI
37AQI
44AQI
43AQI
50AQI
51AQI
50AQI
50AQI
51AQI
45AQI
61AQI
78AQI
61AQI
66AQI
56AQI
59AQI
45AQI
42AQI
29AQI
30AQI
27AQI
28AQI
34AQI
32AQI
33AQI
30AQI
45AQI
48AQI
52AQI
49AQI
52AQI
59AQI
60AQI
58AQI
54AQI
47AQI
48AQI
52AQI
53AQI
47AQI
42AQI
42AQI
32AQI
33AQI
46AQI
34AQI
37AQI
37AQI
41AQI
25AQI
31AQI
24AQI
35AQI
46AQI
43AQI
40AQI
41AQI
30AQI
23AQI
25AQI
31AQI
34AQI
37AQI
34AQI
32AQI
30AQI
29AQI
37AQI
34AQI
36AQI
39AQI
65AQI
55AQI
34AQI
25AQI
35AQI
25AQI
32AQI
30AQI
36AQI
30AQI
21AQI
20AQI
18AQI
29AQI
28AQI
19AQI
23AQI
28AQI
29AQI
35AQI
30AQI
27AQI
33AQI
33AQI
37AQI
33AQI
26AQI
25AQI
31AQI
34AQI
26AQI
29AQI
31AQI
36AQI
51AQI
52AQI
48AQI
39AQI
29AQI
27AQI
32AQI
45AQI
42AQI
34AQI
37AQI
35AQI
39AQI
37AQI
32AQI
34AQI
34AQI
34AQI
32AQI
36AQI
32AQI
33AQI
40AQI
40AQI
37AQI
33AQI
34AQI
32AQI
27AQI
28AQI
30AQI
32AQI
38AQI
45AQI
45AQI
34AQI
32AQI
36AQI
41AQI
46AQI
47AQI
50AQI
45AQI
37AQI
39AQI
44AQI
52AQI
46AQI
41AQI
37AQI
41AQI
43AQI
33AQI
45AQI
49AQI
47AQI
41AQI
43AQI
36AQI
44AQI
39AQI
46AQI
54AQI
50AQI
50AQI
53AQI
51AQI
50AQI
46AQI
33AQI
35AQI
36AQI
45AQI
45AQI
51AQI
48AQI
42AQI
45AQI
54AQI
50AQI
54AQI
55AQI
57AQI
52AQI
48AQI
41AQI
45AQI
42AQI
42AQI
48AQI
46AQI
38AQI
36AQI
32AQI
39AQI
33AQI
35AQI
45AQI
49AQI
46AQI
42AQI
40AQI
37AQI
43AQI
49AQI
55AQI
42AQI
43AQI
48AQI
47AQI
43AQI
44AQI
39AQI
35AQI
38AQI
35AQI
34AQI
29AQI
45AQI
39AQI
41AQI
48AQI
33AQI
23AQI
25AQI
32AQI
31AQI
22AQI
27AQI
23AQI
23AQI
25AQI
66AQI
40AQI
44AQI
24AQI
22AQI
22AQI
23AQI
51AQI
59AQI
50AQI
51AQI
45AQI
36AQI
29AQI
36AQI
41AQI
47AQI
41AQI
32AQI
No. of days
202541AQI
Highest AQI recorded in
February51AQI
Lowest AQI recorded in
May29AQI
202440AQI
Highest AQI recorded in
February75AQI
Lowest AQI recorded in
June17AQI
202332AQI
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
June15AQI
202222AQI
Highest AQI recorded in
December34AQI
Lowest AQI recorded in
June11AQI
202120AQI
Highest AQI recorded in
March28AQI
Lowest AQI recorded in
July13AQI
202014AQI
Highest AQI recorded in
December17AQI
Lowest AQI recorded in
June11AQI
Most & Least Polluted Years Over the Last 6 Years
Kourou's annual 2025 AQI (41) shows an average percentage change of 82.8% (worsened AQI) compared to previous years: 2020 (14), 2021 (20), 2022 (22), 2023 (32), 2024 (40).